mdn-browser-compat-data

{ "api": { "Window": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "DOMContentLoaded_event": { "__compat": { "description": "<code>DOMContentLoaded</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/DOMContentLoaded_event", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "9" }, "opera": { "version_added": "9" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3.1" }, "safari_ios": { "version_added": "2" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "OverconstrainedError": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/OverconstrainedError", "support": { "chrome": { "version_added": "63" }, "chrome_android": { "version_added": "63" }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": null }, "firefox_android": { "version_added": null }, "ie": { "version_added": null }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "63" } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "afterprint_event": { "__compat": { "description": "<code>afterprint</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/afterprint_event", "support": { "chrome": { "version_added": "63" }, "chrome_android": { "version_added": "63" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": { "version_added": null }, "ie": { "version_added": true }, "opera": { "version_added": "50" }, "opera_android": { "version_added": "46" }, "safari": { "version_added": "13" }, "safari_ios": { "version_added": "13" }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "63" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "alert": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/alert", "support": { "chrome": { "version_added": "1", "notes": "Starting with Chrome 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "chrome_android": { "version_added": "18", "notes": "Starting with Chrome 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "3", "notes": "Starting with Opera 33, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "opera_android": { "version_added": "10.1", "notes": "Starting with Opera 33, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0", "notes": "Starting with Samsung Internet 5.0, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "webview_android": { "version_added": "1", "notes": "Starting with WebView 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "animationcancel_event": { "__compat": { "description": "<code>animationcancel</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/animationcancel_event", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": false }, "firefox": { "version_added": "54" }, "firefox_android": { "version_added": "54" }, "ie": { "version_added": null }, "opera": { "version_added": false }, "opera_android": { "version_added": false }, "safari": [ { "version_added": "13.1" }, { "version_added": "12", "flags": [ { "type": "preference", "name": "Web Animations" }, { "type": "preference", "name": "CSS Animations via Web Animations" } ] } ], "safari_ios": [ { "version_added": "13.4" }, { "version_added": "12", "flags": [ { "type": "preference", "name": "Web Animations" }, { "type": "preference", "name": "CSS Animations via Web Animations" } ] } ], "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "animationend_event": { "__compat": { "description": "<code>animationend</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/animationend_event", "support": { "chrome": [ { "version_added": "43" }, { "version_added": "1", "prefix": "webkit" } ], "chrome_android": [ { "version_added": "43" }, { "version_added": "18", "prefix": "webkit" } ], "edge": [ { "version_added": "≤79" }, { "version_added": "≤79", "prefix": "webkit" } ], "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": null }, "opera": { "version_added": null }, "opera_android": { "version_added": null }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": [ { "version_added": "4.0" }, { "prefix": "webkit", "version_added": "1.0" } ], "webview_android": [ { "version_added": "43" }, { "version_added": true, "prefix": "webkit" } ] }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "animationiteration_event": { "__compat": { "description": "<code>animationiteration</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/animationiteration_event", "support": { "chrome": [ { "version_added": "43" }, { "version_added": "1", "prefix": "webkit" } ], "chrome_android": [ { "version_added": "43" }, { "version_added": "18", "prefix": "webkit" } ], "edge": [ { "version_added": "≤79" }, { "version_added": "≤79", "prefix": "webkit" } ], "firefox": { "version_added": "51" }, "firefox_android": { "version_added": "51" }, "ie": { "version_added": null }, "opera": { "version_added": null }, "opera_android": { "version_added": null }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": [ { "version_added": "4.0" }, { "prefix": "webkit", "version_added": "1.0" } ], "webview_android": [ { "version_added": "43" }, { "version_added": true, "prefix": "webkit" } ] }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "animationstart_event": { "__compat": { "description": "<code>animationstart</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/animationstart_event", "support": { "chrome": [ { "version_added": "43" }, { "version_added": "1", "prefix": "webkit" } ], "chrome_android": [ { "version_added": "43" }, { "version_added": "18", "prefix": "webkit" } ], "edge": [ { "version_added": "≤79" }, { "version_added": "≤79", "prefix": "webkit" } ], "firefox": { "version_added": "51" }, "firefox_android": { "version_added": "51" }, "ie": { "version_added": null }, "opera": { "version_added": null }, "opera_android": { "version_added": null }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": [ { "version_added": "4.0" }, { "prefix": "webkit", "version_added": "1.0" } ], "webview_android": [ { "version_added": "43" }, { "version_added": true, "prefix": "webkit" } ] }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "beforeprint_event": { "__compat": { "description": "<code>beforeprint</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/beforeprint_event", "support": { "chrome": { "version_added": "63" }, "chrome_android": { "version_added": "63" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": { "version_added": null }, "ie": { "version_added": true }, "opera": { "version_added": "50" }, "opera_android": { "version_added": "46" }, "safari": { "version_added": "13" }, "safari_ios": { "version_added": "13" }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "63" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "beforeunload_event": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/beforeunload_event", "description": "<code>beforeunload</code> event", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "custom_text_support": { "__compat": { "description": "Custom text support", "support": { "chrome": { "version_added": true, "version_removed": "51" }, "chrome_android": { "version_added": true, "version_removed": "51" }, "edge": { "version_added": false }, "firefox": { "version_added": true, "version_removed": "44" }, "firefox_android": { "version_added": true, "version_removed": "44" }, "ie": { "version_added": true }, "opera": { "version_added": true, "version_removed": "38" }, "opera_android": { "version_added": true, "version_removed": "41" }, "safari": { "version_added": true, "version_removed": "9" }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": true, "version_removed": "5.0" }, "webview_android": { "version_added": true, "version_removed": "51" } }, "status": { "experimental": false, "standard_track": false, "deprecated": true } } }, "event_returnvalue_activation": { "__compat": { "description": "Activation using <code>event.returnValue = \"string\";</code>", "support": { "chrome": { "version_added": "30" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": true }, "opera": { "version_added": null }, "opera_android": { "version_added": true }, "safari": { "version_added": null }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": true } } }, "preventdefault_activation": { "__compat": { "description": "Activation using <code>event.preventDefault()</code>", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": "12", "version_removed": "79" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": "9" }, "opera": { "version_added": false }, "opera_android": { "version_added": false }, "safari": { "version_added": "11" }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "return_string_activation": { "__compat": { "description": "Activation using <code>return \"string\";</code>", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": true }, "ie": { "version_added": true }, "opera": { "version_added": "12" }, "opera_android": { "version_added": true }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": true } } } }, "blur": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/blur", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "≤12.1" }, "opera_android": { "version_added": "≤12.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "blur_event": { "__compat": { "description": "<code>blur</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/blur_event", "support": { "chrome": { "version_added": "5" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": true }, { "version_added": true, "version_removed": "24", "notes": "The interface for this event is <a href='https://developer.mozilla.org/docs/Web/API/Event'><code>Event</code></a>, not <a href='https://developer.mozilla.org/docs/Web/API/FocusEvent'><code>FocusEvent</code></a>." } ], "firefox_android": { "version_added": true }, "ie": { "version_added": true }, "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "cancelAnimationFrame": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/cancelAnimationFrame", "support": { "chrome": { "version_added": "24" }, "chrome_android": { "version_added": "25" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "23" }, { "version_added": "11", "version_removed": "23", "prefix": "moz" } ], "firefox_android": [ { "version_added": "23" }, { "version_added": "14", "version_removed": "23", "prefix": "moz" } ], "ie": { "version_added": "10" }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": [ { "version_added": "6.1" }, { "version_added": "6", "version_removed": "6.1", "prefix": "webkit" } ], "safari_ios": { "version_added": "7" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "cancelIdleCallback": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/cancelIdleCallback", "support": { "chrome": { "version_added": "47" }, "chrome_android": { "version_added": "47" }, "edge": { "version_added": "79" }, "firefox": [ { "version_added": "55" }, { "version_added": "53", "flags": [ { "type": "preference", "name": "dom.requestIdleCallback.enabled", "value_to_set": "true" } ] } ], "firefox_android": [ { "version_added": "55" }, { "version_added": "53", "flags": [ { "type": "preference", "name": "dom.requestIdleCallback.enabled", "value_to_set": "true" } ] } ], "ie": { "version_added": false }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "47" } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "clearImmediate": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/clearImmediate", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": "12", "version_removed": "79" }, "firefox": { "version_added": false }, "firefox_android": { "version_added": false }, "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.9.1", "partial_implementation": true, "notes": "Takes an <code>Immediate</code> object instead of the <code>immediateID</code>." }, "opera": { "version_added": false }, "opera_android": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": false, "deprecated": false } } }, "clipboardchange_event": { "__compat": { "description": "<code>clipboardchange</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/clipboardchange_event", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": false }, "firefox": { "version_added": false }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "opera": { "version_added": false }, "opera_android": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "close": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/close", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1", "notes": "Starting in Firefox 46.0.1, <code>Window.close()</code> can no longer close windows that weren't opened by the same script. This is a security precaution." }, "firefox_android": { "version_added": "4", "notes": "Starting in Firefox 46.0.1, <code>Window.close()</code> can no longer close windows that weren't opened by the same script. This is a security precaution." }, "ie": { "version_added": "4" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "confirm": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/confirm", "support": { "chrome": { "version_added": "1", "notes": "Starting with Chrome 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "chrome_android": { "version_added": "18", "notes": "Starting with Chrome 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "3", "notes": "Starting with Opera 33, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "opera_android": { "version_added": "10.1", "notes": "Starting with Opera 33, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0", "notes": "Starting with Samsung Internet 5.0, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." }, "webview_android": { "version_added": "1", "notes": "Starting with Chrome 46, this method is blocked inside an <code><iframe></code> unless its sandbox attribute has the value <code>allow-modals</code>." } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "convertPointFromNodeToPage": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/convertPointFromNodeToPage", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": "6" }, "firefox_android": { "version_added": "6" }, "ie": { "version_added": null }, "opera": { "version_added": null }, "opera_android": { "version_added": false }, "safari": { "version_added": true, "alternative_name": "webkitConvertPointFromNodeToPage" }, "safari_ios": { "version_added": true }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": false, "deprecated": false } } }, "convertPointFromPageToNode": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/convertPointFromPageToNode", "support": { "chrome": [ { "version_added": "50", "notes": "For absolute values, use <code>ondeviceorientationabsolute</code>." }, { "version_added": "7", "version_removed": "50", "notes": "Provided absolute values, not relative." } ], "chrome_android": [ { "version_added": "50", "notes": "For absolute values, use <code>ondeviceorientationabsolute</code>." }, { "version_added": true, "version_removed": "50", "notes": "Provided absolute values, not relative." } ], "edge": { "version_added": "≤18" }, "firefox": [ { "version_added": "6" }, { "version_added": "3.6", "version_removed": "6", "alternative_name": "onmozorientation" } ], "firefox_android": [ { "version_added": "6" }, { "version_added": "4", "version_removed": "6", "alternative_name": "onmozorientation" } ], "ie": { "version_added": null }, "opera": { "version_added": null }, "opera_android": { "version_added": false }, "safari": { "version_added": true, "alternative_name": "webkitConvertPointFromPageToNode" }, "safari_ios": { "version_added": true }, "samsunginternet_android": [ { "version_added": "5.0", "notes": "For absolute values, use <code>ondeviceorientationabsolute</code>." }, { "version_added": true, "version_removed": "5.0", "notes": "Provided absolute values, not relative." } ], "webview_android": [ { "version_added": "50", "notes": "For absolute values, use <code>ondeviceorientationabsolute</code>." }, { "version_added": true, "version_removed": "50", "notes": "Provided absolute values, not relative." } ] }, "status": { "experimental": false, "standard_track": false, "deprecated": false } } }, "copy_event": { "__compat": { "description": "<code>copy</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/copy_event", "support": { "chrome": { "version_added": "58" }, "chrome_android": { "version_added": "58" }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": false }, "opera": { "version_added": "45" }, "opera_android": { "version_added": "43" }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "7.0" }, "webview_android": { "version_added": "58" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "clipboardData": { "__compat": { "support": { "chrome": { "version_added": "58" }, "chrome_android": { "version_added": "58" }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": "22" }, "firefox_android": { "version_added": "22" }, "ie": { "version_added": false }, "opera": { "version_added": "45" }, "opera_android": { "version_added": "43" }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "7.0" }, "webview_android": { "version_added": "58" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "crypto": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/crypto", "support": { "chrome": { "version_added": "37" }, "chrome_android": { "version_added": "37" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": { "version_added": "34" }, "ie": { "version_added": "11", "prefix": "ms" }, "opera": { "version_added": "24" }, "opera_android": { "version_added": "24" }, "safari": { "version_added": "6.1" }, "safari_ios": { "version_added": "6.1" }, "samsunginternet_android": { "version_added": "3.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "customElements": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/customElements", "support": { "chrome": { "version_added": "54" }, "chrome_android": { "version_added": "54" }, "edge": { "version_added": "79" }, "firefox": [ { "version_added": "63" }, { "version_added": "59", "version_removed": "63", "flags": [ { "type": "preference", "name": "dom.webcomponents.customelements.enabled", "value_to_set": "true" } ] }, { "version_added": true, "version_removed": "59", "flags": [ { "type": "preference", "name": "dom.webcomponents.enabled", "value_to_set": "true" }, { "type": "preference", "name": "dom.webcomponents.customelements.enabled", "value_to_set": "true" } ] } ], "firefox_android": [ { "version_added": "63" }, { "version_added": "59", "version_removed": "63", "flags": [ { "type": "preference", "name": "dom.webcomponents.customelements.enabled", "value_to_set": "true" } ] }, { "version_added": true, "version_removed": "59", "flags": [ { "type": "preference", "name": "dom.webcomponents.enabled", "value_to_set": "true" }, { "type": "preference", "name": "dom.webcomponents.customelements.enabled", "value_to_set": "true" } ] } ], "ie": { "version_added": false }, "opera": { "version_added": "41" }, "opera_android": { "version_added": "41" }, "safari": { "version_added": "10.1" }, "safari_ios": { "version_added": "10.3" }, "samsunginternet_android": { "version_added": "6.0" }, "webview_android": { "version_added": "54" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "cut_event": { "__compat": { "description": "<code>cut</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/cut_event", "support": { "chrome": { "version_added": "58" }, "chrome_android": { "version_added": "58" }, "edge": { "version_added": "≤18" }, "firefox": { "version_add